Daniel Michael Aloysius
London,UK
Summary
Senior Telecommunications Engineer with 10 years of global experience, currently driving Pixel carrier engineering at Google and formerly supporting Apple WW Field Engineering. Specializes in Carrier Acceptance and Technical Program Management, validating emerging technologies like NTN, Network Slicing, and 5G/IMS. Proven success in managing complex EMEA device launches by interfacing with major operators to ensure strict product compliance. Combines deep technical proficiency in log analysis with Python-based automation to streamline testing workflows and deliver flagship products on schedule.
Overview
10
10
years of professional experience
4
4
years of post-secondary education
1
1
Certification
Work history
Pixel Carrier Engineer
Google (via Marquis Technologies)
London, UK
11.2024 - 12.2025
- Advanced Feature Validation: Led nationwide field validation campaigns across the UK for cutting-edge features including NTN (Satellite) connectivity, Network Slicing, and Private Networks.
- Complex Network Scenarios: Executed rigorous testing for MOCN and Underground Wi-Fi scenarios to ensure robust connectivity in challenging public infrastructure.
- 5G Performance: Conducted deep-dive validation of VoNR and FR1/FR2 performance, analyzing logs to optimize handover and throughput KPIs.
- Wearable Architecture & eSIM: Validated eSIM/eUICC lifecycle management via ODSA, debugging LPA (Local Profile Assistant) interactions and SM-DP+ profile download failures.
- Watch Network Analysis: Conducted deep-dive log analysis on Pixel Watch to verify Standalone vs. Companion connectivity modes, optimizing VoLTE/VoWiFi signaling and LTE power consumption constraints.
- Stakeholder Management: Serve as the primary technical interface between Google’s internal engineering teams and external carrier stakeholders for Pixel devices.
- Launch Readiness: Drive the EMEA launch strategy for connected devices, ensuring all carrier requirements are met for a successful launch of flagship products.
- Compliance & Strategy: Own the generation and maintenance of Compliance Matrices and test plans, translating complex operator requirements into actionable engineering guidance.
Senior WW Field Engineering
Apple (via Tech Mahindra)
Milan, Italy
11.2022 - 11.2024
- Carrier Acceptance: Led WW Field testing and GCF TS11 validation for Apple devices on major Italian carriers, ensuring devices achieved Technical Acceptance (TA) on schedule.
- OMADM & Provisioning: Validated OMADM sessions for FOTA updates and IMS provisioning, ensuring successful remote configuration of APN and VoLTE settings.
- 5G Optimization: Executed 5G R15/R16 carrier requirements, identifying firmware compliance gaps and working with R&D to resolve them.
- KPI Analysis: Performed functional, MOS, and roaming testing to verify network KPIs in diverse environmental conditions.
- Defect Triage: Identified issues, debugged, and produced first-tier analysis to prioritize critical bugs for the software teams.
- Strategy Implementation: Designed and modified test strategies to improve the efficiency of the software testing process.
Senior Field Test Engineer
Marquis Technologies
Rome, Italy
12.2016 - 11.2022
- Multi-Chipset Testing: Worked on QA, Field, and Lab testing for major chipset vendors including Qualcomm, Exynos, Spreadtrum, and MediaTek.
- Comprehensive Protocol Testing: Conducted GCF TS11 testing on 5G (NSA/SA), EUTRAN, VoLTE, IP-CANI, UTRAN, and GSM for Mobile/Modem and NB-IoT testing across Europe, SEA, and APAC regions.
- Log Analysis: Expertly captured and analyzed logs using QXDM, QCAT, ELT, ShannonDM, Spreadtrum Catcher, and Wireshark to identify network parameters including throughput, latency, and signal quality.
- Operator Approval: Managed end-to-end Carrier Acceptance cycles, executing test plans to evaluate the functionality and performance of FR1 and FR2 components.
- Team Leadership: Managed the execution of network testing projects, including resource allocation, scheduling, and task assignment for the field team.
- Mentorship: Conducted regular performance evaluations, provided coaching/mentoring, and facilitated professional development opportunities for team members.
- Reporting: Prepared detailed test reports, documenting findings, test results, and recommendations for network optimization.
Network Administrator
Ricoh Limited
Chennai, India
11.2015 - 11.2016
- Designed and maintained network infrastructure, configuring Cisco switches/routers and ensuring optimal availability.
- Conducted network monitoring and troubleshooting to resolve connectivity issues efficiently.
Education
Bachelor of Engineering - Electronics and Communication Engineering
Kings Engineering College
Chennai 01.2011 - 01.2015
Technical Skills
- Cellular Technologies: 5G NR (SA/NSA, FR1/FR2), VoNR, LTE-A, NTN (Satellite), Network Slicing, Private Networks, MOCN, 3GPP Rel 15/16/17.
- Chipset & Debug Tools: Qualcomm (QXDM, QCAT, QPST), Samsung (Shannon DM), MediaTek (ELT), Wireshark (PCAP), Android Debug Bridge (ADB), Syslog.
- Automation & Scripting: Python (Log parsing, KPI analysis), Shell Scripting.
- Carrier Certification: GCF/PTCRB, Carrier Acceptance, OMADM, eSIM Architecture (LPA/eUICC).
- Core Competencies: Technical Program Management (TPM), Defect Triage & Root Cause Analysis (RCA), Compliance Matrix Management, NPI Launch Readiness.
Certification
Telecommunications (4G/3G/2G) | 2016
Timeline
Pixel Carrier Engineer
Google (via Marquis Technologies)
11.2024 - 12.2025
Senior WW Field Engineering
Apple (via Tech Mahindra)
11.2022 - 11.2024
Senior Field Test Engineer
Marquis Technologies
12.2016 - 11.2022
Network Administrator
Ricoh Limited
11.2015 - 11.2016
Bachelor of Engineering - Electronics and Communication Engineering
Kings Engineering College
01.2011 - 01.2015